High Quality Content by WIKIPEDIA articles! Belavezhskaya Pushcha, (Belarusian: ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?) in Belarus and Ltspkr. png Puszcza Bia? owieska in Poland, is an ancient woodland straddling the border between Belarus and Poland, located 70 km (43 mi) north from Brest (BE). It is one of the last and largest remaining parts of the immense primeval forest which once spread across the European Plain. This UNESCO World Heritage Site and Biosphere Reserve lies in parts of the Brest administrative district (Kamianiec and Pruzhany districts, BE) and Hrodna administrative district, BE (Svislach district) in Belarus and on the Poland side near the town of Bia? owie? a in the Podlaskie Voivodeship (62 km (39 mi) south-east of Bia? ystok (PL) and 190 km (120 mi) north-east of Warsaw).